28 THE MOSQUITOES OF NEW JERSEY 



ing in former, tarsal bands on basal ends of segments 



only: A'edes cantator Coq., Aides stimulans Walk., A'edes 



excrucians Walk. 



Ill Very large; twice as long from head to tail as any other common 



species ; legs conspicuously fringed with long hairs : Psorophora ciliata 



Fabr. 



KEY NUMBER 4 



Eye and Hand-lens Key to the Larvae of the 

 More Common Species 



A Siphon or breathing tube so very short as to seem absent; larvae lie 

 parallel with the surface of the water: Anopheles punctipennis Say, 

 Anopheles quadrimaculatiis Say, Anopheles walker'i Theob., Anopheles 

 crucians Wied. 



B Siphon or breathing tube distinctly present: 



I Antennae arising from near middle of sides of the head. Very 

 large species : Psorophora ciliata Fabr. 



II Antennae arising from sides of anterior of head: 



1 Breathing tube sharp-pointed, spike-like: Mansonia pertur- 

 hans Walk. 



2 Breathing tube normal with a blunt end: 



a Found in fresh water; breathing tube medium length, 

 two and one-half or three times as long as broad; head 

 with two or three small colored patches, all in front of 

 base of antennae: A'edes vexans Meig. 

 b Found in fresh water; breathing tube three and one- 

 half times as long as broad; antennal tuft near the middle; 

 head without colored patches: A'edes stimulans Walk, 

 c Found in fresh water, woodland pools ; breathing tube 

 three times as long as broad; head with three colored 

 patches, all back of base of antennae: A'edes canadensis 

 Theob. 



d Found in fresh water; breathing tube four times as 

 long as broad, slightly swollen at base: Culex pipiens 

 Linn. 



e Found in brackish water; breathing tube fully five 

 times as long as broad, tapering evenly from base to tip : 

 Culex salinarius Coq. 



f Found in fresh water ; breathing tube about eight times 

 as long as broad, slightly constricted at middle: Culex 

 apicalis Adams 



g Found in fresh water; breathing tube about three and 

 one-half times as long as broad; antennal tuft decidedly 

 before the middle; head with one larger and several small 

 colored patches: A'edes excrucians Walk, 

 h Found in salt or brackish water ; breathing tube hardly 



